social game design eBay auctions you should keep an eye on:

Social Game Design: Monetization Methods and Mecha

$6.94
End Date: Sunday Jul-30-2017 18:44:23 PDT
Buy It Now for only: $6.94
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Mobile and Social Game Design : Monetization Methods and Mechanics, Second...
$41.09
End Date: Saturday Jul-29-2017 10:43:29 PDT
Buy It Now for only: $41.09
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